A Tokyo Electric Power Co. (TEPCO) employee, center, speaks to the media in front of a monitor in the frigerator building at the company's Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima, Japan, on Thursday, Feb. 23, 2017. The sixth anniversary of the massive earthquake and tsunami that caused the meltdown at the TEPCO facility is on March 11. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images
Workers wearing protective suits and masks work at Tokyo Electric Power Co.'s (TEPCO) Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima, Japan, on Thursday, Feb. 23, 2017. The sixth anniversary of the massive earthquake and tsunami that caused the meltdown at the TEPCO facility is on March 11. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images
Workers wearing protective suits and masks work on the Unit 2 reactor building at Tokyo Electric Power Co.'s (TEPCO) Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima, Japan, on Thursday, Feb. 23, 2017. The sixth anniversary of the massive earthquake and tsunami that caused the meltdown at the TEPCO facility is on March 11. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images
Ikata Nuclear Power Plant is seen on August 11, 2016 in Ikata, Ehime prefecture, northwestern Shikoku, Japan. The No. 3 reactor of the nuclear plant is expected to resume operations this week after The Nuclear Regulation Authority (NRA's) has completed it's final inspections of the plant's operational safety measures. The plant has not generated nuclear power since Japan's 2011 nationwide shutdown of all nuclear plants in the aftermath of the Fukushima Daiichi nuclear disaster. Ikata Nuclear Power Plant will be the third nuclear power plant in Japan to become operational. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)
Storage tanks of contaminated water stand at Tokyo Electric Power Co's (TEPCO) Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima, Japan, on Thursday, Feb. 23, 2017. The sixth anniversary of the massive earthquake and tsunami that caused the meltdown at the TEPCO facility is on March 11. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images